Understanding Terrain Impacts on Tornado Flow through Tree-fall Analysis of the Joplin and Tuscaloosa-Birmingham Tornadoes of 2011 and through Numerical and Laboratory Vortex Simulations

Christopher D. Karstens, Iowa State University, Ames, IA; and W. A. Gallus Jr., P. Sarkar, B. D. Lee, and C. A. Finley